Green’s Dictionary of Slang

not worth a turd phr.

[turd n.]

worthless, useless; see also under worth a... phr.

[UK]Skelton Bowge of Courte line 392: Fye on this dyce, they be not worth a turde!
[UK]R. Copland Hye way to the Spyttel House Cii: Then gooth his knaue to a town to bye / These drogges that be not worth a torde.
[UK]E. More Schole house of Women Aii: By theyr reason, nor worth a torde yet wyll the woman haue the last worde.
[UK] ‘A Display of the Headpiece & Codpiece Valour’ in Rump Poems and Songs (1662) II 91: But the whole design was not worth two half-Turds.
[UK]C. Cotton Virgil Travestie (1765) Bk IV 78: Proffer’d Love’s not worth a Cow-turd.
[UK]A. Radcliffe ‘The Ramble’ Poems 96: He fancy’d much your Silver Sword, And you wear his not worth a Turd.
[UK] ‘Song’ in Playford Pills to Purge Melancholy II 42: And if he has not Minc’d Pyes, his Cheer’s not worth a turd.
[UK] ‘The Saint Giles’s Jade’ Nancy Dawson’s Cabinet of Songs 45: Th’ beggar vos not worth a t--d.